Home / 1,999,379.07-2,759,134.86-1,081,606.05

Finding the Fourth Proportional to 1,999,379.07, 2,759,134.86 and 1,081,606.05

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Solution

The fourth proportional to 1,999,379.07, 2,759,134.86 and 1,081,606.05 is: 1,492,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,379.07 : 2,759,134.86 = 1,081,606.05 : x
  2. Step 2: Convert to fraction form
    1,999,379.07/2,759,134.86 = 1,081,606.05/x
  3. Step 3: Cross multiply
    1,999,379.07x = 2,759,134.86 × 1,081,606.05
  4. Step 4: Simplify right side
    1,999,379.07x = 2,984,296,957,341.90
  5. Step 5: Solve for x
    x = 2,984,296,957,341.90/1,999,379.07
  6. Step 6: Final answer
    x = 1,492,611.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.